Tsarin na'urar gano hoto ta PIN

Tsarinna'urar gano hoto ta PIN

Mai gano hoto, wata na'ura da ke canza siginar haske zuwa siginar lantarki ta amfani da tasirin photoelectric, tana kama da idon ɗan adam kuma tana iya kama siginar rauni da ake iya gani da wadda ba a iya gani. Saboda ƙa'idar aikinta na hasken haske wanda ke haifar da canje-canje a cikin halayen zahiri na abu, masu gano haske suna da zaɓuɓɓukan kayan aiki iri-iri da nau'ikan iri-iri, kowannensu yana da yanayin aikace-aikacensa na musamman.
An rarraba nau'ikan na'urorin gano haske bisa ga halayensu na tsarin, gami da na'urorin optoelectronic na injin, na'urorin gano haske,Na'urorin daukar hoto na PIN, na'urorin daukar hoto, da na'urorin gano kwararar ruwa (avalanche diode detectors)na'urar gano hoto ta APDAbin lura musamman shine na'urar gano hoto ta PIN, wacce ke ƙara faɗin yankin raguwa ta hanyar shigar da ƙaramin yanki na semiconductor na nau'in I mai yawan maida hankali a cikin mahaɗin PN, ta haka rage tasirin motsin yaɗuwa da inganta saurin amsawa.
An yi amfani da na'urorin gano haske na PIN sosai a fannoni daban-daban kamar sadarwa ta gani, auna haske, hoton likita, da kuma laser saboda yawan ingancinsu na kwantum, ƙarancin hayaniya, amsawar haske mai faɗi, da kuma saurin amsawa. Misali, na'urorin gano haske na LBTEK da na'urorin gano haske masu daidaito suna cikin wannan rukuni. Duk da haka, ya kamata a lura cewa na'urorin gano haske na PIN suna da iyaka a cikin ikonsu na gano siginar haske mai rauni saboda rashin ƙarin riba. Na'urar gano haske ta APD (na'urar gano haske ta APD) tana ƙara hasken ta hanyar gabatar da yankin samun haske a cikin na'urar gano haske ta PIN da kuma amfani da tasirin ninka ruwan sama na ciki. Wannan yana ba na'urorin gano haske na APD fa'ida fiye da na'urorin gano haske na PIN wajen gano siginar da ba ta da ƙarfi, tare da riba ta ciki har sau 10 zuwa 100. Ka'idar aiki ta na'urar gano haske ta bambanta dangane da takamaiman nau'inta, amma ƙa'idar tasirin hasken lantarki ta asali tana aiki ga nau'ikan na'urorin gano haske daban-daban.
A matsayin babban ɓangaren tsarin optoelectronic na zamani, aikin na'urorin gano hoto kai tsaye yana ƙayyade daidaito, aminci, da kwanciyar hankali na tsarin gaba ɗaya. Ana amfani da shi sosai a fannoni kamar sadarwa ta fiber optic, sa ido kan muhalli, hoton likita, leƙen asiri na soja, sarrafa kansa na masana'antu, da binciken kimiyya, wanda ke da alhakin canza siginar gani zuwa siginar lantarki mai aunawa. Saboda haka, gano na'urorin gano hoto cikakke kuma daidai yana da mahimmanci.